<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <a th:href="@{/toLogin}">登录</a></div><div>
    <a th:href="@{/logout}">注销</a></div>
<div>
    <h5>LEVEL-1</h5>
    <div><a th:href="@{/level1/1}">level1-1</a></div>
    <div><a th:href="@{/level1/2}">level1-2</a></div>
    <div><a th:href="@{/level1/3}">level1-3</a></div>
</div>
<div>
    <h5>LEVEL-1</h5>
    <div><a th:href="@{/level2/1}">level2-1</a></div>
    <div><a th:href="@{/level2/2}">level2-2</a></div>
    <div><a th:href="@{/level2/3}">level2-3</a></div>
</div>
<div>
    <h5>LEVEL-1</h5>
    <div><a th:href="@{/level3/1}">level3-1</a></div>
    <div><a th:href="@{/level3/2}">level3-2</a></div>
    <div><a th:href="@{/level3/3}">level3-3</a></div>
</div>
</body>
</html>